Vacuum relief valveaviation

Midland offers repair services for most brands of railcar valves, providing the best Remanufacturing & Repair expertise.

The A-212 VRV is also available as part of Midland's convenient DOT 117/117R solutions, designed to help customers meet the latest requirements for high-hazard flammable trains (HHFT) and high-hazard flammable unit trains (HHFUT).

Vacuum Relief valvefunction

The new "No Step" design was created to help eliminate NAR's from vacuum relief valves that are caused by damage during loading and unloading operations. Quad seals in the vacuum relief valve provide excellent sealing in both pressure and vacuum conditions. Vacuum relief valve settings are available from 3/4 psi and higher.

The latest innovation in vacuum relief valve technology for rail tank cars is the Midland "No Step" vacuum relief valve. The new Midland "No Step" vacuum relief valve is designed to prevent the vacuum relief valve from being used as a foot valve to relieve pressure from the rail tank car. This innovative design allows the valve to only be operated in the event that vacuum conditions are reached in the car. The new "No Step" design was created to help eliminate NAR's from vacuum relief valves that are caused by damage during loading and unloading operations. Quad seals in the vacuum relief valve provide excellent sealing in both pressure and vacuum conditions. Vacuum relief valve settings are available from 3/4 psi and higher. A-210, 212 VRV Flyer (click HERE). The A-212 VRV is also available as part of Midland's convenient DOT 117/117R solutions, designed to help customers meet the latest requirements for high-hazard flammable trains (HHFT) and high-hazard flammable unit trains (HHFUT).

Vacuum Relief valvewater heater

Midland's Emergency Response Kit (ERK) has been designed to allow for the quick and safe capping of leaking fittings on the top of pressurized railcars.

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Vacuum relief valveworking principle

The latest innovation in vacuum relief valve technology for rail tank cars is the Midland "No Step" vacuum relief valve. The new Midland "No Step" vacuum relief valve is designed to prevent the vacuum relief valve from being used as a foot valve to relieve pressure from the rail tank car. This innovative design allows the valve to only be operated in the event that vacuum conditions are reached in the car.

Catastrophic vacuums caused while unloading are a costly threat that you can’t see coming. Midland’s A-212 Vacuum Relief Valves can stop these incidents from happening, preventing NARs and the endangerment of personnel.

Midland does not warrant the suitability of its products for any particular application. Determining product application suitability – including, but not limited to, product compatibility with a specific tank car application – is solely and exclusively the customer’s responsibility. Midland is not liable for special, indirect, incidental, consequential, or other damages, including, but not limited to, loss, damage, personal injury, or any other expense directly or indirectly arising from use of or inability to use Midland’s products.

*Note: These models are no longer available for new car builds; only available for remanufacturing and replacement orders.

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